File:Phlebotomus pappatasi bloodmeal continue2.jpg

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Summary
Description	This photograph depicts a Phlebotomus papatasi sandfly, which had landed atop the skin surface of the photographer, who’d volunteered himself as host for this specimen’s blood meal. The sandflies are members of the Dipteran family, Psychodidae, and the subfamily Phlebotominae. This specimen was still in the process of ingesting its bloodmeal, which is visible through its distended transparent abdomen. Sandflies such as this P. papatasi, are responsible for the spread of the vector-borne parasitic disease leishmaniasis, which is caused by the obligate intracellular protozoa of the genus Leishmania.
Source	Wikimedia Commons file page
Author	Content provider: CDC/ Frank Collins
Permission	See original Commons license details.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	03:37, 5 June 2026		3,408 × 2,315 (1.78 MB)	Maintenance script (talk \| contribs)	== Summary == Importing file

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Image title	2006 Frank Collins Leishmaniasis is transmitted by the bite of infected female phlebotomine sandflies, injecting the infective stage (i.e., promastigotes) from their proboscis during blood meals. Promastigotes that reach the puncture wound are phagocytized by macrophages ,and other types of mononuclear phagocytic cells, and inside these cells, transform into the tissue stage of the parasite (i.e., amastigotes), which multiply by simple division and proceed to infect other mononuclear phagocytic cells. Parasite, host, and other factors affect whether the infection becomes symptomatic and whether cutaneous or visceral leishmaniasis results. Sandflies become infected by ingesting infected cells during blood meals. In sandflies, amastigotes transform into promastigotes, develop in the gut, (in the hindgut for leishmanial organisms in the <i>Viannia</i> subgenus; in the midgut for organisms in the <i>Leishmania</i> subgenus), and migrate to the proboscis. See PHIL 3400 for a diagram of this cycle.
Author	Photographer: James Gathany
Short title	Original Title: Sandfly_18-08.jpg
Copyright holder	http://www.dpd.cdc.gov/DPDX/HTML/Leishmaniasis.htm CDC– Nat. Center for Infectious Diseases, NCID, Div. of Parasitic Diseases, DPDx; Leishmaniasis
Date and time of data generation	1 November 2006
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Adobe Photoshop Elements 2.0
File change date and time	14:58, 29 July 2008
Color space	Uncalibrated
Image width	3,408 px
Image height	2,315 px
Width	3,408 px
Height	2,315 px
Pixel composition	RGB
Number of components	3
Bits per component	8 8 8
Urgency	1
Date and time of digitizing	06:19, 18 April 2008
Date metadata was last modified	07:36, 18 April 2008
IIM version	2